The highest-ever resolution imaging of an infectious prion provides the first atomic-level data of how these abnormal proteins are assembled to cause fatal neurodegenerative diseases in people and animals—and how they can ...
Molecular & Computational biology
Aug 23, 2021
1
147
A predator doesn't need to have the quickest speed or reflexes to catch a bird. In a paper publishing August 23 in the journal Current Biology, researchers report the first documented evidence of a tortoise going in for the ...
Plants & Animals
Aug 23, 2021
4
1223
Using XMM-Newton and Swift space telescopes, Chinese astronomers have inspected short-term X-ray variability of a tidal disruption event known as Swift J1644+57. Results of the study, published August 12 on the arXiv pre-print ...
Iceberg A-74, approximately 1.5 times the size of Greater Paris, calved from Antarctica's Brunt Ice Shelf earlier this year. Over the last six months, it has remained close to the shelf it broke away from owing largely to ...
Environment
Aug 23, 2021
0
116
You take a bite out of your midday apple and it's just perfect: the right amount of crunch, juice, sweet and sour. You imagine saving its hard brown seeds and planting them in the ground. One day you'll have a whole tree ...
Plants & Animals
Aug 23, 2021
0
162
Exosomes are nano-sized biological capsules that cells produce to protect and courier delicate molecules throughout the body. The capsules are hardy enough to withstand enzymatic breakdown, as well as acidic and temperature ...
Bio & Medicine
Aug 23, 2021
0
190
As Tracy Schohr goes about her day, water is always on her mind. She's thinking of it as she rides an all-terrain vehicle around the pasture, looks up hay prices and weather forecasts, and collects data on grazing and invasive ...
Environment
Aug 23, 2021
0
140
India's capital New Delhi opened its first "smog tower" on Monday aimed at reducing the air pollution blamed for thousands of premature deaths every year, but experts were sceptical.
Environment
Aug 23, 2021
0
135
This jewel-bright image from the NASA/ESA Hubble Space Telescope shows NGC 1385, a spiral galaxy 68 million light-years from Earth, which lies in the constellation Fornax. The image was taken with Hubble's Wide Field Camera ...
Astronomy
Aug 23, 2021
0
289
Tropical Storm Henri was downgraded to a tropical depression late Sunday after slamming into Rhode Island on the US east coast, knocking out power to thousands of Americans, uprooting trees, and bringing record rainfall.
Environment
Aug 23, 2021
0
5
